25828684 has 18 divisors (see below), whose sum is σ = 52580220. Its totient is φ = 11069352.

The previous prime is 25828679. The next prime is 25828717. The reversal of 25828684 is 48682852.

It is a self number, because there is not a number n which added to its sum of digits gives 25828684.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65694 + ... + 66085.

Almost surely, 2^25828684 is an apocalyptic number.

It is an amenable number.

25828684 is an abundant number, since it is smaller than the sum of its proper divisors (26751536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25828684 is a wasteful number, since it uses less digits than its factorization.

25828684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131797 (or 131788 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 25828684 is about 5082.1928338071. The cubic root of 25828684 is about 295.5975019977.

The spelling of 25828684 in words is "twenty-five million, eight hundred twenty-eight thousand, six hundred eighty-four".